コード例 #1
0
def plot_glab_statistics(df_dopenu: pd.DataFrame,
                         scale: float,
                         logger: logging.Logger,
                         showplot: bool = False):
    """
    plot_glab_statistics plots the position statitictics according to COP bins
    """
    cFuncName = colored(os.path.basename(__file__),
                        'yellow') + ' - ' + colored(
                            sys._getframe().f_code.co_name, 'green')

    logger.info(
        '{func:s}: plotting position statistics'.format(func=cFuncName))

    # set up the plot
    plt.style.use('ggplot')

    # get info for the plot titles
    plot_title, proc_options, rx_geod = amc.get_title_info(logger=logger)

    # create additional column assigning the values of crd diffs to the correct PDOP bin
    dop_bins = []
    for dop_min, dop_max in zip(amc.dRTK['dop_bins'][:-1],
                                amc.dRTK['dop_bins'][1:]):
        bin_interval = 'bin{:d}-{:.0f}'.format(dop_min, dop_max)
        dop_bins.append(bin_interval)
        logger.info('{func:s}: setting for PDOP bin = {bin!s}'.format(
            bin=bin_interval, func=cFuncName))

        # add column 'bin' for grouping the results during plotting
        df_dopenu.loc[(df_dopenu['PDOP'] > dop_min) &
                      (df_dopenu['PDOP'] <= dop_max), 'bin'] = bin_interval

    # amutils.printHeadTailDataFrame(df=df_dopenu, name='df_dopenu', index=False)

    fig, axes = plt.subplots(nrows=4,
                             ncols=len(dop_bins),
                             sharex=True,
                             sharey='row',
                             figsize=(18, 8),
                             gridspec_kw={
                                 'height_ratios': (.065, .065, .065, .805),
                                 'wspace': 0.02,
                                 'hspace': 0.02
                             })

    # define the axis used for the boxplots and histogram
    ax_box = axes[:3]
    ax_hist = axes[-1]
    for axis in ax_hist:
        axis.set_xlim([-1.5 * scale, +1.5 * scale])

    # go over the coordinate differences
    for i, (crd,
            enu_color) in enumerate(zip(['dN0', 'dE0', 'dU0'],
                                        glc.enu_colors)):
        # create the plot holding for each DOP bin the histogram and bixplot combined in a subfigure
        for j, bin in enumerate(dop_bins):
            # boxplot in above 3xj subplots
            sns.boxplot(df_dopenu.loc[df_dopenu['bin'] == bin][crd],
                        ax=ax_box[i][j],
                        orient='h',
                        color=enu_color,
                        width=0.9,
                        linewidth=1)
            cur_xaxis = ax_box[i][j].axes.get_xaxis()
            cur_xaxis.set_visible(False)
            # cur_yaxis = ax_box[i][j].axes.get_yaxis()
            if j == 0:
                ax_box[i][j].set_ylabel(crd, color=enu_color)
            else:
                cur_yaxis = ax_box[i][j].axes.get_yaxis()
                cur_yaxis.set_visible(False)

            # distplot in last subplot for column j
            sns.distplot(df_dopenu.loc[df_dopenu['bin'] == bin][crd],
                         ax=ax_hist[j],
                         color=glc.enu_colors[i])
            ax_hist[j].set_xlabel('PDOP[{bin:s}]'.format(bin=bin[3:]))

    # global title
    fig.suptitle('{title:s}'.format(title=plot_title), **glc.title_font)

    # plot annotations
    ax_box[0][0].annotate('{conf:s}'.format(conf=amc.dRTK['glab_out']),
                          xy=(0, 1),
                          xycoords='axes fraction',
                          xytext=(0, 0),
                          textcoords='offset pixels',
                          horizontalalignment='left',
                          verticalalignment='bottom',
                          weight='ultrabold',
                          fontsize='small')

    ax_box[0][-1].annotate(proc_options,
                           xy=(1, 1),
                           xycoords='axes fraction',
                           xytext=(0, 0),
                           textcoords='offset pixels',
                           horizontalalignment='right',
                           verticalalignment='bottom',
                           weight='ultrabold',
                           fontsize='small')

    # copyright this
    ax_hist[-1].annotate(r'$\copyright$ Alain Muls ([email protected])',
                         xy=(1, 0),
                         xycoords='axes fraction',
                         xytext=(0, -50),
                         textcoords='offset pixels',
                         horizontalalignment='right',
                         verticalalignment='bottom',
                         weight='ultrabold',
                         fontsize='x-small')

    # save the plot in subdir png of GNSSSystem
    dir_png = os.path.join(amc.dRTK['dir_root'],
                           amc.dRTK['dgLABng']['dir_glab'], 'png')
    png_filename = os.path.join(
        dir_png, '{out:s}-boxhist.png'.format(
            out=amc.dRTK['glab_out'].replace('.', '-')))
    amutils.mkdir_p(dir_png)
    fig.savefig(png_filename, dpi=fig.dpi)

    logger.info('{func:s}: created scatter plot {plot:s}'.format(
        func=cFuncName, plot=colored(png_filename, 'green')))

    plt.show()
コード例 #2
0
def plot_glab_scatter_bin(dfCrd: pd.DataFrame,
                          scale: float,
                          center: str,
                          logger: logging.Logger,
                          showplot: bool = False):
    """
    plot_glab_scatter plots the horizontal position difference wrt to Nominal a priori position
    """
    cFuncName = colored(os.path.basename(__file__),
                        'yellow') + ' - ' + colored(
                            sys._getframe().f_code.co_name, 'green')
    logger.info('{func:s}: plotting EN scattering'.format(func=cFuncName))

    # # select colors for E, N, U coordinate difference
    # colors = []
    # colors.append([51 / 256., 204 / 256., 51 / 256.])

    # set up the plot
    plt.style.use('ggplot')

    # get info for the plot titles
    plot_title, proc_options, rx_geod = amc.get_title_info(logger=logger)

    # subplots
    fig, ax = plt.subplots(nrows=2, ncols=3, figsize=(16.0, 11.0))

    # figure title
    fig.suptitle('{title:s}'.format(title=plot_title), **glc.title_font)

    # plot annotations
    ax[0][0].annotate('{conf:s}'.format(conf=amc.dRTK['glab_out']),
                      xy=(0, 1),
                      xycoords='axes fraction',
                      xytext=(0, 0),
                      textcoords='offset pixels',
                      horizontalalignment='left',
                      verticalalignment='bottom',
                      weight='ultrabold',
                      fontsize='small')

    ax[0][2].annotate(proc_options,
                      xy=(1, 1),
                      xycoords='axes fraction',
                      xytext=(0, 0),
                      textcoords='offset pixels',
                      horizontalalignment='right',
                      verticalalignment='bottom',
                      weight='ultrabold',
                      fontsize='small')

    # copyright this
    ax[1][2].annotate(r'$\copyright$ Alain Muls ([email protected])',
                      xy=(1, 0),
                      xycoords='axes fraction',
                      xytext=(0, -70),
                      textcoords='offset pixels',
                      horizontalalignment='right',
                      verticalalignment='bottom',
                      weight='ultrabold',
                      fontsize='x-small')

    # annotate with reference position
    txt_rx_posn = r'$\varphi = ${lat:.8f}, $\lambda = ${lon:.8f}'.format(
        lat=rx_geod[0], lon=rx_geod[1])

    ax[1][0].annotate(txt_rx_posn,
                      xy=(0, 0),
                      xycoords='axes fraction',
                      xytext=(0, -70),
                      textcoords='offset pixels',
                      horizontalalignment='left',
                      verticalalignment='bottom',
                      weight='strong',
                      fontsize='medium')

    # get the marker styles
    markerBins = glc.predefined_marker_styles()

    # go over all PDOP bins and plot according to the markersBin defined
    for i in range(0, len(amc.dRTK['dop_bins']) - 1):
        binInterval = 'bin{:d}-{:.0f}'.format(amc.dRTK['dop_bins'][i],
                                              amc.dRTK['dop_bins'][i + 1])
        logger.info('{func:s}: binInterval = {bin!s}'.format(bin=binInterval,
                                                             func=cFuncName))

        index4Bin = (dfCrd['PDOP'] > amc.dRTK['dop_bins'][i]) & (
            dfCrd['PDOP'] <= amc.dRTK['dop_bins'][i + 1])

        # get the axis
        axis = ax[i // 3][i % 3]

        # get th epercentage of observations within this dop_bin
        bin_percentage = '{perc:.1f}'.format(
            perc=amc.dRTK['dgLABng']['stats']['dop_bin'][binInterval]['perc'] *
            100)
        lblBin = r'{!s} $\leq$ PDOP $<$ {!s} ({:s}%, #{:d})'.format(
            amc.dRTK['dop_bins'][i], amc.dRTK['dop_bins'][i + 1],
            bin_percentage,
            amc.dRTK['dgLABng']['stats']['dop_bin'][binInterval]['count'])
        logger.info('{func:s}: {bin:s}'.format(func=cFuncName, bin=lblBin))

        # define center position
        if center == 'origin':
            wavg_E = wavg_N = 0
        else:
            wavg_E = amc.dRTK['dgLABng']['stats']['crd']['dE0']['wavg']
            wavg_N = amc.dRTK['dgLABng']['stats']['crd']['dN0']['wavg']
        circle_center = (wavg_E, wavg_N)

        # draw circles for distancd evaluation on plot
        for radius in np.linspace(scale / 5, scale * 2, num=10):
            newCircle = plt.Circle(circle_center,
                                   radius,
                                   color='blue',
                                   fill=False,
                                   clip_on=True,
                                   alpha=0.4)
            axis.add_artist(newCircle)
            # annotate the radius for 1, 2, 5 and 10 meter
            # if radius in [1, 2, 3, 4, 5, 10]:
            # axis.annotate('{radius:.2f}m'.format(radius=radius), xy=(np.pi / 4, radius), xytext=(np.pi / 4, radius), textcoords='polar', xycoords='polar', clip_on=True, color='blue', alpha=0.4)
            axis.annotate('{radius:.2f}m'.format(radius=radius),
                          xy=(wavg_E + np.cos(np.pi / 4) * radius,
                              wavg_N + np.sin(np.pi / 4) * radius),
                          xytext=(wavg_E + np.cos(np.pi / 4) * radius,
                                  wavg_N + np.sin(np.pi / 4) * radius),
                          clip_on=True,
                          color='blue',
                          alpha=0.4)

        # plot the coordinates for each bin
        axis.plot(dfCrd.loc[index4Bin, 'dE0'],
                  dfCrd.loc[index4Bin, 'dN0'],
                  label=r'{!s} $\leq$ PDOP $<$ {!s} ({:s}%)'.format(
                      amc.dRTK['dop_bins'][i], amc.dRTK['dop_bins'][i + 1],
                      bin_percentage),
                  **markerBins[(i)])

        # lcoation of legend
        axis.legend(loc='best', markerscale=6, fontsize='x-small')

        # add titles to axes
        axis.set_xlim([wavg_E - scale, wavg_E + scale])
        axis.set_ylim([wavg_N - scale, wavg_N + scale])
        axis.set_aspect(aspect='equal', adjustable='box')

        # nema the axis
        if i > 2:
            axis.set_xlabel('East [m]', fontsize='large')
            axis.set_ylabel('North [m]', fontsize='large')

    # save the plot in subdir png of GNSSSystem
    dir_png = os.path.join(amc.dRTK['dir_root'],
                           amc.dRTK['dgLABng']['dir_glab'], 'png')
    png_filename = os.path.join(
        dir_png, '{out:s}-scatter-bins.png'.format(
            out=amc.dRTK['glab_out'].replace('.', '-')))
    amutils.mkdir_p(dir_png)
    fig.savefig(png_filename, dpi=fig.dpi)

    logger.info('{func:s}: created scatter plot {plot:s}'.format(
        func=cFuncName, plot=colored(png_filename, 'green')))

    if showplot:
        plt.show(block=True)
    else:
        plt.close(fig)
コード例 #3
0
def plot_glab_xdop(dfCrd: pd.DataFrame,
                   logger: logging.Logger,
                   showplot: bool = False):
    """
    plot_xdop plot the DOP values vs time
    """
    cFuncName = colored(os.path.basename(__file__),
                        'yellow') + ' - ' + colored(
                            sys._getframe().f_code.co_name, 'green')
    logger.info('{func:s}: plotting xDOP'.format(func=cFuncName))

    # set up the plot
    plt.style.use('ggplot')

    # get info for the plot titles
    plot_title, proc_options, rx_geod = amc.get_title_info(logger=logger)

    # subplots
    fig, ax = plt.subplots(nrows=1, ncols=1, figsize=(12.0, 8.0))

    # figure title
    fig.suptitle('{title:s}'.format(title=plot_title), **glc.title_font)

    # plot annotations
    ax.annotate('{conf:s}'.format(conf=amc.dRTK['glab_out']),
                xy=(0, 1),
                xycoords='axes fraction',
                xytext=(0, 0),
                textcoords='offset pixels',
                horizontalalignment='left',
                verticalalignment='bottom',
                weight='ultrabold',
                fontsize='small')

    ax.annotate(proc_options,
                xy=(1, 1),
                xycoords='axes fraction',
                xytext=(0, 0),
                textcoords='offset pixels',
                horizontalalignment='right',
                verticalalignment='bottom',
                weight='ultrabold',
                fontsize='small')

    # copyright this
    ax.annotate(r'$\copyright$ Alain Muls ([email protected])',
                xy=(1, 0),
                xycoords='axes fraction',
                xytext=(0, -50),
                textcoords='offset pixels',
                horizontalalignment='right',
                verticalalignment='bottom',
                weight='ultrabold',
                fontsize='x-small')

    # plot the xDOP values vs time
    for (xdop, dop_color) in zip(dfCrd[glc.dgLab['OUTPUT']['XDOP']],
                                 glc.dop_colors):
        if xdop == 'PDOP':
            ax.fill_between(x=dfCrd['DT'],
                            y1=0,
                            y2=dfCrd[xdop],
                            color=dop_color,
                            linestyle='-',
                            linewidth=0,
                            interpolate=False,
                            alpha=0.15)
        ax.plot(dfCrd['DT'],
                dfCrd[xdop],
                color=dop_color,
                linestyle='',
                marker='.',
                markersize=1,
                label=xdop)

    # lcoation of legend
    ax.legend(loc='best', markerscale=6, fontsize='x-small')

    # add titles to axes
    ax.set_ylim([0, 10])

    # name the axis
    ax.set_ylabel('DOP [-]', fontsize='large')

    # set limits for the x-axis
    ax.set_xlim([dfCrd['DT'].iloc[0], dfCrd['DT'].iloc[-1]])

    # create the ticks for the time axis
    dtFormat = plot_utils.determine_datetime_ticks(startDT=dfCrd['DT'].iloc[0],
                                                   endDT=dfCrd['DT'].iloc[-1])
    if not dtFormat['minutes']:
        #     # ax.xaxis.set_major_locator(dates.MinuteLocator(byminute=range(10, 60, 10), interval=1))
        #     pass
        # else:
        ax.xaxis.set_major_locator(
            dates.HourLocator(interval=dtFormat['hourInterval']))  # every

    ax.xaxis.set_minor_locator(dates.DayLocator(interval=1))  # every day
    ax.xaxis.set_minor_formatter(dates.DateFormatter('\n%d-%m-%Y'))
    ax.xaxis.set_major_formatter(
        dates.DateFormatter('%H:%M'))  # hours and minutes

    ax.xaxis.set_tick_params(rotation=0)
    for tick in ax.xaxis.get_major_ticks():
        tick.label1.set_horizontalalignment('center')

    # save the plot in subdir png of GNSSSystem
    dir_png = os.path.join(amc.dRTK['dir_root'],
                           amc.dRTK['dgLABng']['dir_glab'], 'png')
    png_filename = os.path.join(
        dir_png,
        '{out:s}-DOP.png'.format(out=amc.dRTK['glab_out'].replace('.', '-')))
    amutils.mkdir_p(dir_png)
    fig.savefig(png_filename, dpi=fig.dpi)

    logger.info('{func:s}: created plot {plot:s}'.format(func=cFuncName,
                                                         plot=colored(
                                                             png_filename,
                                                             'green')))

    if showplot:
        plt.show(block=True)
    else:
        plt.close(fig)
コード例 #4
0
def plot_glab_position(dfCrd: pd.DataFrame,
                       scale: float,
                       logger: logging.Logger,
                       showplot: bool = False):
    """
    plot_glab_position plots the position difference wrt to Nominal a priori position
    """
    cFuncName = colored(os.path.basename(__file__),
                        'yellow') + ' - ' + colored(
                            sys._getframe().f_code.co_name, 'green')

    logger.info('{func:s}: plotting position offset'.format(func=cFuncName))

    # set up the plot
    plt.style.use('ggplot')

    # get info for the plot titles
    plot_title, proc_options, rx_geod = amc.get_title_info(logger=logger)

    # subplots
    fig, ax = plt.subplots(nrows=4, ncols=1, sharex=True, figsize=(16.0, 12.0))

    fig.suptitle('{title:s}'.format(title=plot_title), **glc.title_font)

    # plot annotations
    ax[0].annotate('{conf:s}'.format(conf=amc.dRTK['glab_out']),
                   xy=(0, 1),
                   xycoords='axes fraction',
                   xytext=(0, 0),
                   textcoords='offset pixels',
                   horizontalalignment='left',
                   verticalalignment='bottom',
                   weight='ultrabold',
                   fontsize='small')

    ax[0].annotate(proc_options,
                   xy=(1, 1),
                   xycoords='axes fraction',
                   xytext=(0, 0),
                   textcoords='offset pixels',
                   horizontalalignment='right',
                   verticalalignment='bottom',
                   weight='ultrabold',
                   fontsize='small')

    # copyright this
    ax[-1].annotate(r'$\copyright$ Alain Muls ([email protected])',
                    xy=(1, 0),
                    xycoords='axes fraction',
                    xytext=(0, -50),
                    textcoords='offset pixels',
                    horizontalalignment='right',
                    verticalalignment='bottom',
                    weight='ultrabold',
                    fontsize='x-small')

    # plot the ENU difference xwrt nominal initial position and display the standard deviation, xDOP
    for i, (crd, sdCrd) in enumerate(
            zip(glc.dgLab['OUTPUT']['dENU'], glc.dgLab['OUTPUT']['sdENU'])):
        # select the axis to use for this coordinate
        axis = ax[i]

        # get the statistics for this coordinate
        crd_stats = amc.dRTK['dgLABng']['stats']['crd'][crd]

        # color for markers and alpha colors for error bars
        rgb = mpcolors.colorConverter.to_rgb(glc.enu_colors[i])
        rgb_error = amutils.make_rgb_transparent(rgb, (1, 1, 1), 0.4)

        # plot coordinate differences and error bars
        axis.errorbar(x=dfCrd['DT'].values,
                      y=dfCrd[crd],
                      yerr=dfCrd[sdCrd],
                      linestyle='none',
                      fmt='.',
                      ecolor=rgb_error,
                      capthick=1,
                      markersize=1,
                      color=glc.enu_colors[i])

        # set dimensions of y-axis (double for UP scale)
        if crd == 'dU0':
            axis.set_ylim(
                [crd_stats['wavg'] - scale * 2, crd_stats['wavg'] + scale * 2])
        else:
            axis.set_ylim(
                [crd_stats['wavg'] - scale, crd_stats['wavg'] + scale])

        axis.set_ylabel('{crd:s} [m]'.format(crd=crd, fontsize='large'),
                        color=glc.enu_colors[i],
                        weight='ultrabold')

        # annotate each subplot with its reference position
        stat_str = '\n'.join(
            (r'gLab={:.3f} ($\pm${:.3f})'.format(crd_stats['kf'],
                                                 crd_stats['sdkf']), r'',
             r'WAvg={:.3f} ($\pm${:.3f})'.format(crd_stats['wavg'],
                                                 crd_stats['sdwavg']), r'',
             r'Range=[{:.2f}..{:.2f}]'.format(crd_stats['max'],
                                              crd_stats['min'])))
        # place a text box in upper left in axes coords
        axis.text(1.01,
                  0.95,
                  stat_str,
                  transform=axis.transAxes,
                  fontsize='small',
                  verticalalignment='top',
                  color=glc.enu_colors[i],
                  weight='strong')

        # annotatetxt = markerAnnotation(crd, sdCrd)
        # axis.annotate(annotatetxt, xy=(1, 1), xycoords='axes fraction', xytext=(0, 0), textcoords='offset pixels', horizontalalignment='right', verticalalignment='bottom', weight='ultrabold', fontsize='large')

        # title of sub-plot
        # axis.set_title('{crd:s} offset'.format(crd=str.capitalize(crd), fontsize='large'))
        axis.set_xlabel('')

    # last subplot: number of satellites & PDOP
    # plot #SVs on left axis
    axis = ax[-1]
    axis.set_ylim([0, 24])
    axis.set_ylabel('#SVs [-]',
                    fontsize='large',
                    color='grey',
                    weight='ultrabold')
    # axis.set_xlabel('Time [sec]', fontsize='large')

    # plot the number of SVs and color as function of the GNSSs used
    for (i_gnss, gnss, gnss_color) in zip([1, 1, 2], ['GAL', 'GPS', ''],
                                          ['blue', 'red', 'grey']):
        if i_gnss == 2:
            axis.fill_between(dfCrd['DT'].values,
                              0,
                              dfCrd['#SVs'],
                              where=(dfCrd['#GNSSs'] == i_gnss),
                              alpha=0.25,
                              linestyle='-',
                              linewidth=2,
                              color=gnss_color,
                              interpolate=False)
        else:
            axis.fill_between(dfCrd['DT'].values,
                              0,
                              dfCrd['#SVs'],
                              where=((dfCrd['#GNSSs'] == i_gnss) &
                                     (gnss == dfCrd['GNSSs'])),
                              alpha=0.25,
                              linestyle='-',
                              linewidth=2,
                              color=gnss_color,
                              interpolate=False)

    # plot PDOP on second y-axis
    axis_right = axis.twinx()

    axis_right.set_ylim([0, 10])
    axis_right.set_ylabel('PDOP [-]',
                          fontsize='large',
                          color='darkorchid',
                          weight='ultrabold')

    # plot PDOP value
    axis_right.plot(dfCrd['DT'],
                    dfCrd['PDOP'],
                    linestyle='',
                    marker='.',
                    markersize=1,
                    color='darkorchid',
                    label='PDOP')

    # set limits for the x-axis
    axis.set_xlim([dfCrd['DT'].iloc[0], dfCrd['DT'].iloc[-1]])

    # create the ticks for the time axis
    dtFormat = plot_utils.determine_datetime_ticks(startDT=dfCrd['DT'].iloc[0],
                                                   endDT=dfCrd['DT'].iloc[-1])
    if dtFormat['minutes']:
        axis.xaxis.set_major_locator(
            dates.MinuteLocator(byminute=range(10, 60, 10), interval=1))
    else:
        axis.xaxis.set_major_locator(
            dates.HourLocator(interval=dtFormat['hourInterval']))  # every

    axis.xaxis.set_minor_locator(dates.DayLocator(interval=1))  # every day
    axis.xaxis.set_minor_formatter(dates.DateFormatter('\n%d-%m-%Y'))
    axis.xaxis.set_major_formatter(
        dates.DateFormatter('%H:%M'))  # hours and minutes

    axis.xaxis.set_tick_params(rotation=0)
    for tick in axis.xaxis.get_major_ticks():
        tick.label1.set_horizontalalignment('center')

    # save the plot in subdir png of GNSSSystem
    dir_png = os.path.join(amc.dRTK['dir_root'],
                           amc.dRTK['dgLABng']['dir_glab'], 'png')
    png_filename = os.path.join(
        dir_png,
        '{out:s}-ENU.png'.format(out=amc.dRTK['glab_out'].replace('.', '-')))
    amutils.mkdir_p(dir_png)
    fig.savefig(png_filename, dpi=fig.dpi)

    logger.info('{func:s}: created plot {plot:s}'.format(func=cFuncName,
                                                         plot=colored(
                                                             png_filename,
                                                             'green')))

    if showplot:
        plt.show(block=True)
    else:
        plt.close(fig)

    return